./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5c538b08a3d83aa65ce7ffeb36d6290ee4fcb7724fc63e5e0592ab91abf7ec2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:38:28,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:38:28,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:38:28,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:38:28,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:38:28,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:38:28,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:38:28,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:38:28,550 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:38:28,550 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:38:28,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:38:28,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:38:28,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:38:28,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:38:28,551 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:38:28,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:38:28,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:38:28,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:38:28,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:38:28,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:38:28,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:38:28,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:38:28,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:38:28,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:38:28,554 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:38:28,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:38:28,554 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:38:28,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:38:28,554 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:38:28,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:38:28,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:38:28,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:38:28,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:28,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:38:28,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:38:28,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:38:28,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:38:28,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:28,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:38:28,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:38:28,556 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:38:28,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:38:28,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:38:28,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:38:28,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:38:28,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:38:28,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:38:28,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:38:28,557 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c538b08a3d83aa65ce7ffeb36d6290ee4fcb7724fc63e5e0592ab91abf7ec2d [2024-11-28 02:38:28,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:38:28,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:38:28,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:38:28,867 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:38:28,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:38:28,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-97.i [2024-11-28 02:38:31,914 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/data/0ee2eff0e/8fd0dbfa255941c7b61d40f9ecf0b50b/FLAGf218a1c8a [2024-11-28 02:38:32,202 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:38:32,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-97.i [2024-11-28 02:38:32,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/data/0ee2eff0e/8fd0dbfa255941c7b61d40f9ecf0b50b/FLAGf218a1c8a [2024-11-28 02:38:32,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/data/0ee2eff0e/8fd0dbfa255941c7b61d40f9ecf0b50b [2024-11-28 02:38:32,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:38:32,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:38:32,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:38:32,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:38:32,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:38:32,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a1e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32, skipping insertion in model container [2024-11-28 02:38:32,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:38:32,454 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-97.i[913,926] [2024-11-28 02:38:32,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:38:32,536 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:38:32,546 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-97.i[913,926] [2024-11-28 02:38:32,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:38:32,605 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:38:32,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32 WrapperNode [2024-11-28 02:38:32,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:38:32,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:38:32,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:38:32,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:38:32,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,658 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-28 02:38:32,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:38:32,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:38:32,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:38:32,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:38:32,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,673 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,688 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:38:32,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,694 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:38:32,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:38:32,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:38:32,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:38:32,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (1/1) ... [2024-11-28 02:38:32,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:32,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:32,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:38:32,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:38:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:38:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:38:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:38:32,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:38:32,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:38:32,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:38:32,870 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:38:32,872 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:38:33,212 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-28 02:38:33,212 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:38:33,222 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:38:33,223 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:38:33,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:33 BoogieIcfgContainer [2024-11-28 02:38:33,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:38:33,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:38:33,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:38:33,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:38:33,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:38:32" (1/3) ... [2024-11-28 02:38:33,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdbab24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:38:33, skipping insertion in model container [2024-11-28 02:38:33,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:32" (2/3) ... [2024-11-28 02:38:33,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdbab24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:38:33, skipping insertion in model container [2024-11-28 02:38:33,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:33" (3/3) ... [2024-11-28 02:38:33,234 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-97.i [2024-11-28 02:38:33,252 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:38:33,254 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-97.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:38:33,334 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:38:33,351 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@32d4490e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:38:33,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:38:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 44 states have internal predecessors, (61), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:33,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:38:33,370 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:33,370 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:33,371 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:33,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:33,379 INFO L85 PathProgramCache]: Analyzing trace with hash 30356953, now seen corresponding path program 1 times [2024-11-28 02:38:33,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:33,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756596226] [2024-11-28 02:38:33,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:33,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 02:38:33,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:33,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756596226] [2024-11-28 02:38:33,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756596226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:33,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622610194] [2024-11-28 02:38:33,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:33,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:33,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:33,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:33,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:38:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:33,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:38:33,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 02:38:33,853 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:33,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622610194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:33,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:38:33,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:38:33,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979495399] [2024-11-28 02:38:33,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:33,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:38:33,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:33,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:38:33,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:38:33,884 INFO L87 Difference]: Start difference. First operand has 63 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 44 states have internal predecessors, (61), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:38:33,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:33,920 INFO L93 Difference]: Finished difference Result 119 states and 201 transitions. [2024-11-28 02:38:33,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:38:33,923 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2024-11-28 02:38:33,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:33,931 INFO L225 Difference]: With dead ends: 119 [2024-11-28 02:38:33,931 INFO L226 Difference]: Without dead ends: 59 [2024-11-28 02:38:33,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:38:33,941 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:33,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:38:33,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-28 02:38:33,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-28 02:38:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 40 states have (on average 1.35) internal successors, (54), 40 states have internal predecessors, (54), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 88 transitions. [2024-11-28 02:38:33,996 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 88 transitions. Word has length 108 [2024-11-28 02:38:33,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:33,997 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 88 transitions. [2024-11-28 02:38:33,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:38:33,997 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2024-11-28 02:38:33,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:38:34,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:34,000 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:34,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:38:34,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:38:34,201 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:34,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:34,202 INFO L85 PathProgramCache]: Analyzing trace with hash 709108443, now seen corresponding path program 1 times [2024-11-28 02:38:34,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:34,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256065828] [2024-11-28 02:38:34,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:34,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:38:34,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:34,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256065828] [2024-11-28 02:38:34,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256065828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:34,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:38:34,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:38:34,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027238375] [2024-11-28 02:38:34,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:34,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:38:34,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:34,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:38:34,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:38:34,769 INFO L87 Difference]: Start difference. First operand 59 states and 88 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:34,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:34,913 INFO L93 Difference]: Finished difference Result 163 states and 243 transitions. [2024-11-28 02:38:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:38:34,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-28 02:38:34,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:34,916 INFO L225 Difference]: With dead ends: 163 [2024-11-28 02:38:34,916 INFO L226 Difference]: Without dead ends: 107 [2024-11-28 02:38:34,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:38:34,917 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 65 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:34,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 351 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:38:34,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-28 02:38:34,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 62. [2024-11-28 02:38:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 91 transitions. [2024-11-28 02:38:34,931 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 91 transitions. Word has length 108 [2024-11-28 02:38:34,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:34,933 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 91 transitions. [2024-11-28 02:38:34,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2024-11-28 02:38:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 02:38:34,935 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:34,935 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:34,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:38:34,936 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:34,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:34,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1017795016, now seen corresponding path program 1 times [2024-11-28 02:38:34,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:34,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074264444] [2024-11-28 02:38:34,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:34,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:36,545 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:38:36,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:36,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074264444] [2024-11-28 02:38:36,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074264444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:36,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:38:36,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:38:36,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452297088] [2024-11-28 02:38:36,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:36,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:38:36,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:36,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:38:36,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:38:36,550 INFO L87 Difference]: Start difference. First operand 62 states and 91 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:37,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:37,127 INFO L93 Difference]: Finished difference Result 183 states and 266 transitions. [2024-11-28 02:38:37,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:38:37,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-11-28 02:38:37,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:37,131 INFO L225 Difference]: With dead ends: 183 [2024-11-28 02:38:37,131 INFO L226 Difference]: Without dead ends: 124 [2024-11-28 02:38:37,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:37,136 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 100 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:37,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 259 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:38:37,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-28 02:38:37,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 63. [2024-11-28 02:38:37,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 44 states have internal predecessors, (57), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 91 transitions. [2024-11-28 02:38:37,155 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 91 transitions. Word has length 109 [2024-11-28 02:38:37,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:37,156 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 91 transitions. [2024-11-28 02:38:37,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2024-11-28 02:38:37,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 02:38:37,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:37,162 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:37,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:38:37,163 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:37,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:37,163 INFO L85 PathProgramCache]: Analyzing trace with hash -573446800, now seen corresponding path program 1 times [2024-11-28 02:38:37,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:37,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908612216] [2024-11-28 02:38:37,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:37,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:38,095 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:38:38,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:38,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908612216] [2024-11-28 02:38:38,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908612216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:38,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:38:38,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:38:38,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870489586] [2024-11-28 02:38:38,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:38,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:38:38,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:38,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:38:38,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:38:38,097 INFO L87 Difference]: Start difference. First operand 63 states and 91 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:38,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:38,784 INFO L93 Difference]: Finished difference Result 216 states and 311 transitions. [2024-11-28 02:38:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:38:38,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 110 [2024-11-28 02:38:38,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:38,787 INFO L225 Difference]: With dead ends: 216 [2024-11-28 02:38:38,787 INFO L226 Difference]: Without dead ends: 156 [2024-11-28 02:38:38,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:38:38,788 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 151 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:38,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 390 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:38:38,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-28 02:38:38,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 61. [2024-11-28 02:38:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:38,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 88 transitions. [2024-11-28 02:38:38,805 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 88 transitions. Word has length 110 [2024-11-28 02:38:38,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:38,806 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 88 transitions. [2024-11-28 02:38:38,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:38:38,806 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2024-11-28 02:38:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 02:38:38,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:38,807 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:38,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:38:38,808 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:38,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:38,808 INFO L85 PathProgramCache]: Analyzing trace with hash -103733802, now seen corresponding path program 1 times [2024-11-28 02:38:38,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:38,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640403960] [2024-11-28 02:38:38,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:38,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:39,430 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 27 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-11-28 02:38:39,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:39,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640403960] [2024-11-28 02:38:39,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640403960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:39,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907131540] [2024-11-28 02:38:39,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:39,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:39,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:39,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:39,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:38:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:39,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:38:39,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 302 proven. 27 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-28 02:38:39,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:38:40,405 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:38:40,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907131540] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:38:40,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:38:40,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 15 [2024-11-28 02:38:40,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901602267] [2024-11-28 02:38:40,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:38:40,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 02:38:40,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:40,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 02:38:40,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:38:40,409 INFO L87 Difference]: Start difference. First operand 61 states and 88 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-28 02:38:41,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:41,103 INFO L93 Difference]: Finished difference Result 150 states and 214 transitions. [2024-11-28 02:38:41,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:38:41,105 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 110 [2024-11-28 02:38:41,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:41,107 INFO L225 Difference]: With dead ends: 150 [2024-11-28 02:38:41,107 INFO L226 Difference]: Without dead ends: 92 [2024-11-28 02:38:41,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 214 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=205, Invalid=445, Unknown=0, NotChecked=0, Total=650 [2024-11-28 02:38:41,109 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 182 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:41,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 190 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:38:41,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-28 02:38:41,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 83. [2024-11-28 02:38:41,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 53 states have internal predecessors, (62), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 02:38:41,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 116 transitions. [2024-11-28 02:38:41,130 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 116 transitions. Word has length 110 [2024-11-28 02:38:41,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:41,131 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 116 transitions. [2024-11-28 02:38:41,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-28 02:38:41,132 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2024-11-28 02:38:41,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 02:38:41,134 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:41,134 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:41,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:38:41,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:41,335 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:41,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:41,336 INFO L85 PathProgramCache]: Analyzing trace with hash 191319427, now seen corresponding path program 1 times [2024-11-28 02:38:41,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:41,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781530063] [2024-11-28 02:38:41,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:41,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:38:41,468 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:38:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:38:41,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:38:41,579 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:38:41,581 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:38:41,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:38:41,586 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-28 02:38:41,690 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:38:41,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:38:41 BoogieIcfgContainer [2024-11-28 02:38:41,693 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:38:41,694 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:38:41,694 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:38:41,694 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:38:41,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:33" (3/4) ... [2024-11-28 02:38:41,708 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:38:41,709 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:38:41,710 INFO L158 Benchmark]: Toolchain (without parser) took 9464.93ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 92.6MB in the beginning and 171.9MB in the end (delta: -79.3MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. [2024-11-28 02:38:41,714 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:38:41,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.87ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:38:41,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.34ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:38:41,715 INFO L158 Benchmark]: Boogie Preprocessor took 45.64ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:38:41,715 INFO L158 Benchmark]: RCFGBuilder took 514.39ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 58.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:38:41,716 INFO L158 Benchmark]: TraceAbstraction took 8467.95ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 58.4MB in the beginning and 65.1MB in the end (delta: -6.7MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2024-11-28 02:38:41,716 INFO L158 Benchmark]: Witness Printer took 15.28ms. Allocated memory is still 201.3MB. Free memory was 65.1MB in the beginning and 171.9MB in the end (delta: -106.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-28 02:38:41,718 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.87ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.34ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.64ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.39ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 58.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8467.95ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 58.4MB in the beginning and 65.1MB in the end (delta: -6.7MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. * Witness Printer took 15.28ms. Allocated memory is still 201.3MB. Free memory was 65.1MB in the beginning and 171.9MB in the end (delta: -106.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed short int var_1_7 = 32; [L24] signed short int var_1_8 = 20113; [L25] signed short int var_1_9 = 100; [L26] signed char var_1_10 = 100; [L27] signed char var_1_11 = -1; [L28] signed char var_1_12 = 16; [L29] unsigned char var_1_13 = 1; [L30] unsigned char var_1_15 = 0; [L31] unsigned char var_1_16 = 1; [L32] unsigned short int var_1_18 = 10; [L33] unsigned short int var_1_19 = 256; [L34] float var_1_20 = 32.5; [L35] float var_1_21 = 127.4; [L36] signed short int var_1_22 = 128; VAL [isInitial=0, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32, var_1_8=20113, var_1_9=100] [L104] isInitial = 1 [L105] FCALL initially() [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L70] var_1_7 = __VERIFIER_nondet_short() [L71] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=20113, var_1_9=100] [L71] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=20113, var_1_9=100] [L72] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=20113, var_1_9=100] [L72] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=20113, var_1_9=100] [L73] var_1_8 = __VERIFIER_nondet_short() [L74] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=100] [L74] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=100] [L75] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=100] [L75] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=100] [L76] var_1_9 = __VERIFIER_nondet_short() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L78] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L79] var_1_11 = __VERIFIER_nondet_char() [L80] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L80] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L81] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L82] var_1_12 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L83] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L84] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L85] var_1_15 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L86] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L87] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L88] var_1_16 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L89] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L90] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L91] var_1_19 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L92] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=32765, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=32765, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L93] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=32765, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L94] var_1_21 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=32765, var_1_1=16, var_1_20=65/2, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=32765, var_1_1=16, var_1_20=65/2, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L95] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=32765, var_1_1=16, var_1_20=65/2, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L108] RET updateVariables() [L109] CALL step() [L40] var_1_18 = var_1_19 [L41] var_1_20 = var_1_21 [L42] var_1_22 = var_1_12 VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=16, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L43] COND TRUE 127.5f > var_1_20 [L44] var_1_13 = (var_1_15 && var_1_16) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=16, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L48] COND TRUE var_1_18 == var_1_7 [L49] var_1_10 = (var_1_11 + (var_1_12 + -25)) VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=16, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L57] COND TRUE \read(var_1_13) VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=16, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L58] COND FALSE !(var_1_10 > var_1_22) [L65] var_1_1 = 8 VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=8, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR (var_1_13 ? ((var_1_10 > var_1_22) ? (var_1_13 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) var_1_18))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_18 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : ((((32 * -25) | var_1_22) >= var_1_11) ? (var_1_13 ? (var_1_10 == ((signed char) var_1_12)) : 1) : 1)) VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=8, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L100] EXPR (var_1_18 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : ((((32 * -25) | var_1_22) >= var_1_11) ? (var_1_13 ? (var_1_10 == ((signed char) var_1_12)) : 1) : 1) VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=8, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L100] EXPR (var_1_13 ? ((var_1_10 > var_1_22) ? (var_1_13 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) var_1_18))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_18 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : ((((32 * -25) | var_1_22) >= var_1_11) ? (var_1_13 ? (var_1_10 == ((signed char) var_1_12)) : 1) : 1)) VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=8, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L100-L101] return (((((var_1_13 ? ((var_1_10 > var_1_22) ? (var_1_13 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) var_1_18))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_18 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : ((((32 * -25) | var_1_22) >= var_1_11) ? (var_1_13 ? (var_1_10 == ((signed char) var_1_12)) : 1) : 1))) && ((127.5f > var_1_20) ? (var_1_13 == ((unsigned char) (var_1_15 && var_1_16))) : (var_1_13 == ((unsigned char) ((var_1_20 >= var_1_20) || var_1_15))))) && (var_1_18 == ((unsigned short int) var_1_19))) && (var_1_20 == ((float) var_1_21))) && (var_1_22 == ((signed short int) var_1_12)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=8, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=8, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 6, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 513 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 498 mSDsluCounter, 1278 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 740 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 672 IncrementalHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 538 mSDtfsCounter, 672 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 376 GetRequests, 332 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=5, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 210 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 874 NumberOfCodeBlocks, 874 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 865 ConstructedInterpolants, 0 QuantifiedInterpolants, 1645 SizeOfPredicates, 3 NumberOfNonLiveVariables, 513 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 4236/4352 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:38:41,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5c538b08a3d83aa65ce7ffeb36d6290ee4fcb7724fc63e5e0592ab91abf7ec2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:38:44,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:38:44,913 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:38:44,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:38:44,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:38:44,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:38:44,976 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:38:44,976 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:38:44,977 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:38:44,977 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:38:44,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:38:44,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:38:44,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:38:44,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:38:44,980 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:38:44,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:38:44,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:38:44,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:38:44,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:38:44,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:38:44,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:38:44,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:38:44,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:38:44,982 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:38:44,982 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:38:44,983 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:38:44,983 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:38:44,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:38:44,983 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:38:44,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:38:44,983 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:38:44,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:38:44,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:38:44,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:38:44,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:44,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:38:44,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:38:44,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:38:44,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:38:44,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:44,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:38:44,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:38:44,986 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:38:44,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:38:44,987 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:38:44,987 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:38:44,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:38:44,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:38:44,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:38:44,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:38:44,988 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c538b08a3d83aa65ce7ffeb36d6290ee4fcb7724fc63e5e0592ab91abf7ec2d [2024-11-28 02:38:45,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:38:45,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:38:45,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:38:45,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:38:45,448 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:38:45,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-97.i [2024-11-28 02:38:48,890 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/data/9117c9111/9a3c29569c54471585895466c0919536/FLAG13816efde [2024-11-28 02:38:49,151 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:38:49,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-97.i [2024-11-28 02:38:49,159 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/data/9117c9111/9a3c29569c54471585895466c0919536/FLAG13816efde [2024-11-28 02:38:49,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/data/9117c9111/9a3c29569c54471585895466c0919536 [2024-11-28 02:38:49,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:38:49,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:38:49,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:38:49,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:38:49,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:38:49,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ffd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49, skipping insertion in model container [2024-11-28 02:38:49,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:38:49,683 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-97.i[913,926] [2024-11-28 02:38:49,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:38:49,776 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:38:49,790 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-97.i[913,926] [2024-11-28 02:38:49,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:38:49,848 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:38:49,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49 WrapperNode [2024-11-28 02:38:49,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:38:49,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:38:49,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:38:49,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:38:49,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,903 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2024-11-28 02:38:49,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:38:49,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:38:49,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:38:49,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:38:49,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,922 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,944 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:38:49,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,956 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:38:49,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:38:49,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:38:49,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:38:49,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:50,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:50,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:38:50,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:38:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:38:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:38:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:38:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:38:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:38:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:38:50,116 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:38:50,118 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:38:50,388 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 02:38:50,388 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:38:50,402 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:38:50,403 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:38:50,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:50 BoogieIcfgContainer [2024-11-28 02:38:50,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:38:50,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:38:50,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:38:50,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:38:50,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:38:49" (1/3) ... [2024-11-28 02:38:50,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7df0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:38:50, skipping insertion in model container [2024-11-28 02:38:50,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (2/3) ... [2024-11-28 02:38:50,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7df0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:38:50, skipping insertion in model container [2024-11-28 02:38:50,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:50" (3/3) ... [2024-11-28 02:38:50,418 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-97.i [2024-11-28 02:38:50,434 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:38:50,437 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-97.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:38:50,508 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:38:50,524 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6077a80c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:38:50,524 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:38:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:50,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 02:38:50,558 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:50,558 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:50,559 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:50,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:50,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1977812467, now seen corresponding path program 1 times [2024-11-28 02:38:50,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:38:50,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973071352] [2024-11-28 02:38:50,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:50,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:38:50,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:38:50,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:38:50,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 02:38:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:50,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:38:50,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-28 02:38:50,872 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:50,873 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:38:50,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973071352] [2024-11-28 02:38:50,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1973071352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:50,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:38:50,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:38:50,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876092153] [2024-11-28 02:38:50,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:50,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:38:50,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:38:50,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:38:50,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:38:50,908 INFO L87 Difference]: Start difference. First operand has 52 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:38:50,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:50,940 INFO L93 Difference]: Finished difference Result 97 states and 167 transitions. [2024-11-28 02:38:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:38:50,943 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 106 [2024-11-28 02:38:50,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:50,948 INFO L225 Difference]: With dead ends: 97 [2024-11-28 02:38:50,948 INFO L226 Difference]: Without dead ends: 48 [2024-11-28 02:38:50,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:38:50,954 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:50,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:38:50,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-28 02:38:50,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-28 02:38:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:38:50,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 71 transitions. [2024-11-28 02:38:50,999 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 71 transitions. Word has length 106 [2024-11-28 02:38:51,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:51,000 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 71 transitions. [2024-11-28 02:38:51,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:38:51,001 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2024-11-28 02:38:51,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 02:38:51,004 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:51,004 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:51,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 02:38:51,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:38:51,208 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:51,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:51,209 INFO L85 PathProgramCache]: Analyzing trace with hash -846381169, now seen corresponding path program 1 times [2024-11-28 02:38:51,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:38:51,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928020160] [2024-11-28 02:38:51,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:51,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:38:51,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:38:51,214 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:38:51,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 02:38:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:51,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:38:51,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:51,899 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 302 proven. 27 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-28 02:38:51,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:38:52,360 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-28 02:38:52,360 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:38:52,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928020160] [2024-11-28 02:38:52,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928020160] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:38:52,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:38:52,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2024-11-28 02:38:52,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291953583] [2024-11-28 02:38:52,362 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:38:52,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:38:52,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:38:52,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:38:52,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:38:52,367 INFO L87 Difference]: Start difference. First operand 48 states and 71 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 3 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-28 02:38:53,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:53,197 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2024-11-28 02:38:53,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:38:53,197 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 3 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 106 [2024-11-28 02:38:53,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:53,199 INFO L225 Difference]: With dead ends: 125 [2024-11-28 02:38:53,200 INFO L226 Difference]: Without dead ends: 80 [2024-11-28 02:38:53,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=205, Invalid=445, Unknown=0, NotChecked=0, Total=650 [2024-11-28 02:38:53,201 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 112 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:53,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 171 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:38:53,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-28 02:38:53,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 72. [2024-11-28 02:38:53,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 42 states have internal predecessors, (46), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 02:38:53,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2024-11-28 02:38:53,225 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 106 [2024-11-28 02:38:53,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:53,226 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2024-11-28 02:38:53,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 3 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-28 02:38:53,226 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-11-28 02:38:53,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 02:38:53,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:53,228 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:53,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:38:53,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:38:53,432 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:38:53,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:53,433 INFO L85 PathProgramCache]: Analyzing trace with hash -873500618, now seen corresponding path program 1 times [2024-11-28 02:38:53,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:38:53,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050108172] [2024-11-28 02:38:53,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:53,434 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:38:53,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:38:53,436 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:38:53,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 02:38:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:53,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:38:53,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:40:15,566 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:15,567 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:15,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050108172] [2024-11-28 02:40:15,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2050108172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:15,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:15,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 02:40:15,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973410397] [2024-11-28 02:40:15,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:15,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:40:15,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:15,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:40:15,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:40:15,569 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:17,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:17,687 INFO L93 Difference]: Finished difference Result 131 states and 168 transitions. [2024-11-28 02:40:17,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 02:40:17,688 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 107 [2024-11-28 02:40:17,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:17,693 INFO L225 Difference]: With dead ends: 131 [2024-11-28 02:40:17,693 INFO L226 Difference]: Without dead ends: 129 [2024-11-28 02:40:17,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-28 02:40:17,694 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 127 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:17,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 263 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:40:17,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-28 02:40:17,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 86. [2024-11-28 02:40:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 54 states have internal predecessors, (60), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 02:40:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2024-11-28 02:40:17,733 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 107 [2024-11-28 02:40:17,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:17,733 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2024-11-28 02:40:17,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:17,734 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2024-11-28 02:40:17,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 02:40:17,735 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:17,736 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:17,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 02:40:17,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:17,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:17,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:17,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1682847244, now seen corresponding path program 1 times [2024-11-28 02:40:17,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:17,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [800037380] [2024-11-28 02:40:17,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:17,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:17,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:17,947 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:17,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 02:40:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:18,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 02:40:18,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:47,536 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:40:47,536 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:47,536 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:47,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [800037380] [2024-11-28 02:40:47,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [800037380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:47,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:40:47,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 02:40:47,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915713495] [2024-11-28 02:40:47,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:47,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:40:47,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:47,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:40:47,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:40:47,538 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:49,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:49,050 INFO L93 Difference]: Finished difference Result 136 states and 174 transitions. [2024-11-28 02:40:49,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 02:40:49,051 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 107 [2024-11-28 02:40:49,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:49,053 INFO L225 Difference]: With dead ends: 136 [2024-11-28 02:40:49,053 INFO L226 Difference]: Without dead ends: 134 [2024-11-28 02:40:49,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-11-28 02:40:49,054 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 155 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:49,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 340 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 02:40:49,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-28 02:40:49,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 85. [2024-11-28 02:40:49,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 52 states have (on average 1.1153846153846154) internal successors, (58), 53 states have internal predecessors, (58), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 02:40:49,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 112 transitions. [2024-11-28 02:40:49,078 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 112 transitions. Word has length 107 [2024-11-28 02:40:49,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:49,079 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 112 transitions. [2024-11-28 02:40:49,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:40:49,080 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2024-11-28 02:40:49,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:40:49,081 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:49,081 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:49,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 02:40:49,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:49,282 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:49,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:49,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1547046236, now seen corresponding path program 1 times [2024-11-28 02:40:49,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:49,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992010519] [2024-11-28 02:40:49,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:49,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:49,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:49,285 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:40:49,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 02:40:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:49,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 02:40:49,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 317 proven. 21 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-28 02:41:17,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:47:07,425 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:07,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992010519] [2024-11-28 02:47:07,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992010519] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:07,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:47:07,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 25 [2024-11-28 02:47:07,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437482000] [2024-11-28 02:47:07,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:07,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:47:07,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:07,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:47:07,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2024-11-28 02:47:07,428 INFO L87 Difference]: Start difference. First operand 85 states and 112 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:47:15,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:15,554 INFO L93 Difference]: Finished difference Result 149 states and 186 transitions. [2024-11-28 02:47:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:47:15,556 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-28 02:47:15,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:15,559 INFO L225 Difference]: With dead ends: 149 [2024-11-28 02:47:15,560 INFO L226 Difference]: Without dead ends: 147 [2024-11-28 02:47:15,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=163, Invalid=707, Unknown=0, NotChecked=0, Total=870 [2024-11-28 02:47:15,564 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 148 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:15,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 240 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 02:47:15,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-28 02:47:15,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 93. [2024-11-28 02:47:15,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 59 states have (on average 1.1355932203389831) internal successors, (67), 60 states have internal predecessors, (67), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 02:47:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2024-11-28 02:47:15,634 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 108 [2024-11-28 02:47:15,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:15,635 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2024-11-28 02:47:15,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:47:15,636 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2024-11-28 02:47:15,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:47:15,639 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:15,639 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:15,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-28 02:47:15,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:15,840 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:15,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:15,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1692710138, now seen corresponding path program 1 times [2024-11-28 02:47:15,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:15,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002452051] [2024-11-28 02:47:15,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:15,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:15,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:15,843 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:47:15,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 02:47:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:16,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 02:47:16,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:48:47,281 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:48:47,281 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:47,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002452051] [2024-11-28 02:48:47,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002452051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:47,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:48:47,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 02:48:47,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417774023] [2024-11-28 02:48:47,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:47,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:48:47,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:47,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:48:47,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:48:47,284 INFO L87 Difference]: Start difference. First operand 93 states and 121 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:48:50,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:50,519 INFO L93 Difference]: Finished difference Result 149 states and 187 transitions. [2024-11-28 02:48:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 02:48:50,521 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-28 02:48:50,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:50,522 INFO L225 Difference]: With dead ends: 149 [2024-11-28 02:48:50,522 INFO L226 Difference]: Without dead ends: 147 [2024-11-28 02:48:50,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-11-28 02:48:50,524 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 181 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:50,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 273 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 02:48:50,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-28 02:48:50,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 94. [2024-11-28 02:48:50,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 60 states have (on average 1.15) internal successors, (69), 61 states have internal predecessors, (69), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 02:48:50,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 123 transitions. [2024-11-28 02:48:50,571 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 123 transitions. Word has length 108 [2024-11-28 02:48:50,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:50,572 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 123 transitions. [2024-11-28 02:48:50,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:48:50,573 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 123 transitions. [2024-11-28 02:48:50,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:48:50,575 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:50,575 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:50,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-28 02:48:50,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:50,776 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:50,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:50,776 INFO L85 PathProgramCache]: Analyzing trace with hash -866987866, now seen corresponding path program 1 times [2024-11-28 02:48:50,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:50,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064658465] [2024-11-28 02:48:50,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:50,777 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:50,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:50,779 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:48:50,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad969226-8fbb-4009-860e-bb0bbeb313d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-28 02:48:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:50,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:48:50,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:49:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 294 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 02:49:25,555 INFO L312 TraceCheckSpWp]: Computing backward predicates...